|Centuries:||7th century – 8th century – 9th century|
|Decades:||740s 750s 760s – 770s – 780s 790s 800s|
|Years:||772 773 774 – 775 – 776 777 778|
|775 by topic|
|State leaders – Sovereign states|
|Birth and death categories|
|Births – Deaths|
|Establishment and disestablishment categories|
|Establishments – Disestablishments|
|Ab urbe condita||1528|
|Bahá'í calendar||−1069 – −1068|
|English Regnal year||N/A|
|Chinese calendar||甲寅年 (Wood Tiger)
3471 or 3411
— to —
乙卯年 (Wood Rabbit)
3472 or 3412
|- Vikram Samvat||831–832|
|- Shaka Samvat||697–698|
|- Kali Yuga||3876–3877|
|Igbo calendar||−225 – −224|
|Japanese calendar||Hōki 6
|Minguo calendar||1137 before ROC
|Thai solar calendar||1318|
|Wikimedia Commons has media related to 775.|
Year 775 (DCCLXXV) was a common year starting on Sunday (link will display the full calendar) of the Julian calendar. The denomination 775 for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years.
- A 1.2% growth of carbon-14 concentration recorded in tree rings suggests that a very strong radiation burst may have hit the earth in either 774 or 775.
- Andalusian merchants set up an emporium on the Maghribi coast at Ténès. It is an early evidence of the revival of the maritime trade in the Western Mediterranean after the chaos of the 8th century.
- Estimation: Baghdad, capital of the Abbasid Empire, becomes the largest city of the world, taking the lead from Chang'an, capital of China.
- Dharampala begins his reign of Bengal.
- Al-Mahdi becomes the third Abbasid Caliph.
- 25 April: The Battle of Bagrevand puts an end to an Armenian rebellion against the Abbasid Caliphate. Muslim control over Transcaucasia is solidified, while several major Armenian nakharar families lose power and flee to the Byzantine Empire.
- Alpin II succeeds Ciniod I as king of the Picts.
- Charlemagne begins his campaign into Westphalia.
- The German city of Gießen is founded.
- Al-Mansur, second Abbasid caliph (b. 712)
- Ciniod I of the Picts
- September 14 – Constantine V, Byzantine Emperor
- Gilbert Meynier (2010) L'Algérie cœur du Maghreb classique. De l'ouverture islamo-arabe au repli (658-1518). Paris: La Découverte; pp.26.
- Geography at about.com